The Extragalactic Distance Scale without Cepheids IV

Details The Extragalactic Distance Scale without Cepheids IV The Extragalactic Distance Scale without Cepheids IV

2011-04-05

arxiv.org/abs/1104.0974v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

ApJ in press 2011

Scientific paper

The Cepheid period-luminosity relation is the primary distance indicator used
in most determinations of the Hubble constant. The tip of the red giant branch
(TRGB) is an alternative basis. Using the new ANU SkyMapper Telescope, we
calibrate the Tully Fisher relation in the I band. We find that the TRGB and
Cepheid distance scales are consistent.

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